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If A is an invertible matrix of order...

If `A` is an invertible matrix of order 3 and `|A|=5` , then find `|a d j\ A|` .

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The correct Answer is:
`|adj A| = |A|^(n-1) = 5^(3-1) = 5^(2) = 25`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-MATRICES
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